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[pengyuesheng <1831435@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Access the snapshot page under the admin panel. If the snapshot is in the middle state, an error log will appear.
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
    response = get_response(request)
  File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 36, in dec
    return view_func(request, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 52, in dec
    return view_func(request, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 36, in dec
    return view_func(request, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 113, in dec
    return view_func(request, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 84, in dec
    return view_func(request, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/django/views/generic/base.py", line 68, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/django/views/generic/base.py", line 88, in dispatch
    return handler(request, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/horizon/tables/views.py", line 223, in get
    handled = self.construct_tables()
  File "/usr/lib/python2.7/site-packages/horizon/tables/views.py", line 209, in construct_tables
    preempted = table.maybe_preempt()
  File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 1698, in maybe_preempt
    error = exceptions.handle(request, ignore=True)
  File "/usr/lib/python2.7/site-packages/horizon/exceptions.py", line 348, in handle
    six.reraise(exc_type, exc_value, exc_traceback)
  File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 1694, in maybe_preempt
    new_row.load_cells(datum)
  File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 619, in load_cells
    cell = table._meta.cell_class(datum, column, self)
  File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 741, in __init__
    self.data = self.get_data(datum, column, row)
  File "/usr/lib/python2.7/site-packages/mistraldashboard/default/smart_cell.py", line 70, in get_data
    data = column.get_data(datum)
  File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 424, in get_data
    data = self.get_raw_data(datum)
  File "/usr/share/openstack-dashboard/openstack_dashboard/dashboards/project/snapshots/tables.py", line 191, in get_raw_data
    group_snapshot = snapshot.group_snapshot
  File "/usr/share/openstack-dashboard/openstack_dashboard/api/base.py", line 120, in __getattribute__
    return object.__getattribute__(self, attr)
AttributeError: 'VolumeSnapshot' object has no attribute 'group_snapshot'

** Affects: horizon
     Importance: Undecided
     Assignee: pengyuesheng (pengyuesheng)
         Status: In Progress

** Changed in: horizon
     Assignee: (unassigned) => pengyuesheng (pengyuesheng)

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https://bugs.launchpad.net/bugs/1831435

Title:
  Access the snapshot page under the admin panel. If the snapshot is in
  the middle state, an error log will appear.

Status in OpenStack Dashboard (Horizon):
  In Progress

Bug description:
  Access the snapshot page under the admin panel. If the snapshot is in the middle state, an error log will appear.
  Traceback (most recent call last):
    File "/usr/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
      response = get_response(request)
    File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
      response = self.process_exception_by_middleware(e, request)
    File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
      response = wrapped_callback(request, *callback_args, **callback_kwargs)
    File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 36, in dec
      return view_func(request, *args, **kwargs)
    File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 52, in dec
      return view_func(request, *args, **kwargs)
    File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 36, in dec
      return view_func(request, *args, **kwargs)
    File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 113, in dec
      return view_func(request, *args, **kwargs)
    File "/usr/lib/python2.7/site-packages/horizon/decorators.py", line 84, in dec
      return view_func(request, *args, **kwargs)
    File "/usr/lib/python2.7/site-packages/django/views/generic/base.py", line 68, in view
      return self.dispatch(request, *args, **kwargs)
    File "/usr/lib/python2.7/site-packages/django/views/generic/base.py", line 88, in dispatch
      return handler(request, *args, **kwargs)
    File "/usr/lib/python2.7/site-packages/horizon/tables/views.py", line 223, in get
      handled = self.construct_tables()
    File "/usr/lib/python2.7/site-packages/horizon/tables/views.py", line 209, in construct_tables
      preempted = table.maybe_preempt()
    File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 1698, in maybe_preempt
      error = exceptions.handle(request, ignore=True)
    File "/usr/lib/python2.7/site-packages/horizon/exceptions.py", line 348, in handle
      six.reraise(exc_type, exc_value, exc_traceback)
    File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 1694, in maybe_preempt
      new_row.load_cells(datum)
    File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 619, in load_cells
      cell = table._meta.cell_class(datum, column, self)
    File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 741, in __init__
      self.data = self.get_data(datum, column, row)
    File "/usr/lib/python2.7/site-packages/mistraldashboard/default/smart_cell.py", line 70, in get_data
      data = column.get_data(datum)
    File "/usr/lib/python2.7/site-packages/horizon/tables/base.py", line 424, in get_data
      data = self.get_raw_data(datum)
    File "/usr/share/openstack-dashboard/openstack_dashboard/dashboards/project/snapshots/tables.py", line 191, in get_raw_data
      group_snapshot = snapshot.group_snapshot
    File "/usr/share/openstack-dashboard/openstack_dashboard/api/base.py", line 120, in __getattribute__
      return object.__getattribute__(self, attr)
  AttributeError: 'VolumeSnapshot' object has no attribute 'group_snapshot'

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